Live chat is a solution to help customers and increase sales. It enables you to track, monitor and communicate with site
visitors in real time. There are free live chat solutions, but often with basic features and unstable hosted server. You can't send chat invitations to potential customers, which is importantfor sales conversion and only available in paid versions. So if you really want to increase sales with live chat, paid version can ensure your software work stably and have more powerful functions.Comm100 Live Chat is one of them. http://www.comm100.com/livechat/